Qalansiyah is a town on the main island of Socotra, It is located in the Qalansiyah and Abd Al Kuri District,
Qalansiyah has a population of approximately 4,000, second only to Hadibu in size on the island. Together, these two urban settlements make up nearly a third of Socotra total population of 44,000. They are some of the only settlements on the island which have been inhabited by migrants from mainland Yemen, and represent a growing trend of urbanization in the northern coastal regions of Socotra.